Give one example of a condensation polymer.

Explanation

### Step-by-Step Solution

1. **Understanding Condensation Polymers**:
- Condensation polymers are formed through a process called condensation polymerization. This involves the repeated reaction between two different bifunctional or trifunctional monomers.
- During this reaction, small molecules such as water, alcohol, or hydrogen chloride are eliminated.

2. **Identifying an Example**:
- A well-known example of a condensation polymer is **Nylon 6-6**.
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